CN112777939A - Glass fiber with high corrosion resistance and preparation method thereof - Google Patents
Glass fiber with high corrosion resistance and preparation method thereof Download PDFInfo
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- CN112777939A CN112777939A CN202110036937.4A CN202110036937A CN112777939A CN 112777939 A CN112777939 A CN 112777939A CN 202110036937 A CN202110036937 A CN 202110036937A CN 112777939 A CN112777939 A CN 112777939A
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- glass fiber
- glass
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- corrosion resistance
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
Abstract
The invention discloses a glass fiber with strong corrosion resistance and a preparation method thereof. By using the silicon dioxide composite particles, aluminum ions are adsorbed on the surface of the nano silicon dioxide, so that the aluminum ions are reduced into simple substance aluminum to enhance the corrosion resistance of the glass fiber. The bismuth dioxide is coated by lithium carbonate serving as a fluxing agent, the temperature of the lithium carbonate is increased to be the main fluxing agent, and after the melting temperature is reached, the bismuth oxide is introduced into the glass fiber by taking the bismuth oxide as the main fluxing agent, so that the alkali corrosion resistance of the glass fiber is enhanced; the glass plate prepared by melting is soaked in water, and an anion corrosion inhibitor is added after electrification to form a compact adsorption layer, so that aluminum on the surface of the glass is difficult to corrode, and the corrosion resistance of the glass fiber is enhanced.
Description
Technical Field
The invention relates to the field of fibers, in particular to a glass fiber with stronger corrosion resistance and a preparation method thereof.
Background
The glass fiber has the characteristics of excellent mechanical property, designability, high cost performance and the like, and is increasingly and widely applied to various industries, and the corrosion resistance of the glass fiber makes the glass fiber pay particular attention to industries with higher corrosion resistance, such as pressure vessels, high-pressure pipelines, flue desulfurization and the like.
The corrosion resistance of the material has a crucial influence on the lifetime and safety properties of the glass fiber product. Too long a time for preparing the glass fiber also becomes a cause of hindering the use of the glass fiber. In the preparation time period, the glass fiber with strong corrosion resistance has a higher development prospect. Therefore, it is necessary to prepare a glass fiber having high corrosion resistance in a short period of time.
Disclosure of Invention
The present invention is directed to a glass fiber having high corrosion resistance, which solves the problems of the background art mentioned above.
In order to solve the above technical problem, a first aspect of the present invention provides the following technical solutions: the glass fiber with high corrosion resistance is characterized by comprising the following raw materials in parts by weight:
50-60 parts of silica composite particles, 5-10 parts of self-made fluxing agent, 15-25 parts of calcium oxide, 12-16 parts of alumina, 0-5 parts of manganese oxide, 0-1.5 parts of titanium oxide, 0.05-0.8 part of iron oxide, 0-1 part of fluoride, 10-20 parts of aluminum, 10-20 parts of lithium carbonate, 5-10 parts of bismuth dioxide and 5-10 parts of anionic corrosion inhibitor.
Preferably, the silica composite particles are aluminum ion mixed nano-silica.
Preferably, the self-made fluxing agent is prepared by coating bismuth dioxide with lithium carbonate.
Preferably, the anionic corrosion inhibitor is one of carbonate, phosphate and hydroxide of zinc and carbonate and phosphate of calcium
The second aspect of the present invention provides: the preparation method of the glass fiber with stronger corrosion resistance is characterized by comprising the following steps:
the process flow is as follows:
preparing composite particles of silicon dioxide and aluminum ions, preparing a self-made cosolvent, preparing a batch, preparing a glass plate, inhibiting corrosion of the glass plate, and preparing glass fibers.
Preferably, the method comprises the following specific steps:
(1) dispersing silicon dioxide powder in absolute ethyl alcohol by using ultrasonic waves, preserving heat in a water bath kettle after uniform dispersion, dropwise adding excessive ethanol solution of aluminum nitrate, adding aluminum as a reducing agent, and filtering and drying the silicon dioxide composite particles after complete reaction;
(2) weighing lithium carbonate, dissolving the lithium carbonate in a proper amount of distilled water to prepare a lithium carbonate saturated solution, adding bismuth trioxide, stirring, ultrasonically oscillating and stirring to completely and uniformly disperse the bismuth trioxide in the lithium carbonate saturated solution, filtering, drying and grinding the dispersion at high pressure, and calcining for 4 hours at 500 ℃ to obtain a self-made cosolvent;
(3) accurately weighing the silicon dioxide composite particles, calcium oxide, aluminum oxide, manganese oxide, titanium oxide, iron oxide, fluoride, aluminum, lithium carbonate, bismuth dioxide and self-made fluxing agent, and uniformly mixing to prepare a batch mixture;
(4) placing the batch in a platinum-rhodium crucible, melting while stirring to obtain a clarified and homogenized molten glass, placing the molten glass on a heat-resistant steel plate, and cooling to obtain a glass block;
(5) immersing the glass blocks in water, electrifying for 3min, adding an anionic corrosion inhibitor into the water, and fishing out the glass blocks after the reaction is finished;
(6) and (3) placing the glass in a single-hole wire drawing crucible to prepare the glass fiber with the required diameter to obtain the finished product.
Preferably, in the step (1): the mol ratio of the silicon dioxide to the absolute ethyl alcohol is 1: 30, of a nitrogen-containing gas; the molar ratio of the aluminum nitrate to the absolute ethyl alcohol is 1: 15.
preferably, in the step (2): the mass ratio of the carbonate to the bismuth trioxide is 2: 1.
preferably, in the step (4): the melting temperature is 1510-1550 ℃, and the melting time is 18 h.
Preferably, in the step (5): the weight ratio of the anionic corrosion inhibitor to the glass is 20: 1.
compared with the prior art, the invention has the following beneficial effects:
the aluminum ion nano-silica is mixed by using the silica composite particles, and as the surface of the silica has stronger negative charges, aluminum ions can be stably adsorbed on the surface of the nano-silica, when the prepared batch is melted and prepared, kilomega photon energy irradiation is carried out, bismuth element can release electrons, so that the aluminum ions are reduced into simple substance aluminum to be filled in gaps and surfaces of the glass fiber, and the corrosion resistance of the glass fiber is integrally enhanced.
The bismuth dioxide is coated by lithium carbonate, the lithium carbonate is used as a main fluxing agent during heating, so that the melting temperature can be reduced, the energy consumption is reduced while bubbles and stones generated in the melting process are reduced, the coating of the lithium carbonate is weakened after the melting temperature range is reached, the bismuth trioxide is used as the main fluxing agent and is combined with the lithium carbonate to act, the viscosity of glass is reduced, the purpose of reducing the melting temperature again is achieved, and meanwhile, the bismuth is introduced into the glass fibers to enhance the alkali corrosion resistance of the glass fibers; the surface tension of the liquid is reduced, the gaps among particles are increased, the porosity is improved, the contact area with air is increased, and the melting time is shortened.
Soaking the glass plate prepared by melting in water, electrifying for a period of time to enable aluminum on the surface of the glass plate to be positively charged, adding an anionic corrosion inhibitor, enabling negative charges of the anionic corrosion inhibitor to be negatively charged, enabling negative ions to be electrostatically adsorbed on the surface of the aluminum, enabling hydrophilic groups of the anionic corrosion inhibitor to face towards a solid phase and the lipophilic groups to face towards a directional arrangement to form a compact adsorption layer, enabling the aluminum on the surface of the glass to be difficult to corrode, and then carrying out wire drawing treatment to obtain the glass fiber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The glass fiber with high corrosion resistance is characterized by comprising the following raw materials in parts by weight:
50-60 parts of silica composite particles, 5-10 parts of self-made fluxing agent, 15-25 parts of calcium oxide, 12-16 parts of alumina, 0-5 parts of manganese oxide, 0-1.5 parts of titanium oxide, 0.05-0.8 part of iron oxide, 0-1 part of fluoride, 10-20 parts of aluminum, 10-20 parts of lithium carbonate, 5-10 parts of bismuth dioxide and 5-10 parts of anionic corrosion inhibitor.
Preferably, the silica composite particles are aluminum ion mixed nano-silica.
Preferably, the self-made fluxing agent is prepared by coating bismuth dioxide with lithium carbonate.
Preferably, the anionic corrosion inhibitor is one of carbonate, phosphate and hydroxide of zinc and carbonate and phosphate of calcium
The second aspect of the present invention provides: the preparation method of the glass fiber with stronger corrosion resistance is characterized by comprising the following steps:
the process flow is as follows:
preparing composite particles of silicon dioxide and aluminum ions, preparing a self-made cosolvent, preparing a batch, preparing a glass plate, inhibiting corrosion of the glass plate, and preparing glass fibers.
Preferably, the method comprises the following specific steps:
(1) dispersing silicon dioxide powder in absolute ethyl alcohol by using ultrasonic waves, preserving heat in a water bath kettle after uniform dispersion, dropwise adding excessive ethanol solution of aluminum nitrate, adding aluminum as a reducing agent, and filtering and drying the silicon dioxide composite particles after complete reaction;
(2) weighing lithium carbonate, dissolving the lithium carbonate in a proper amount of distilled water to prepare a lithium carbonate saturated solution, adding bismuth trioxide, stirring, ultrasonically oscillating and stirring to completely and uniformly disperse the bismuth trioxide in the lithium carbonate saturated solution, filtering, drying and grinding the dispersion at high pressure, and calcining for 4 hours at 500 ℃ to obtain a self-made cosolvent;
(3) accurately weighing the silicon dioxide composite particles, calcium oxide, aluminum oxide, manganese oxide, titanium oxide, iron oxide, fluoride, aluminum, lithium carbonate, bismuth dioxide and self-made fluxing agent, and uniformly mixing to prepare a batch mixture;
(4) placing the batch in a platinum-rhodium crucible, melting while stirring to obtain a clarified and homogenized molten glass, placing the molten glass on a heat-resistant steel plate, and cooling to obtain a glass block;
(5) immersing the glass blocks in water, electrifying for 3min, adding an anionic corrosion inhibitor into the water, and fishing out the glass blocks after the reaction is finished;
(6) and (3) placing the glass in a single-hole wire drawing crucible to prepare the glass fiber with the required diameter to obtain the finished product.
Preferably, in the step (1): the mol ratio of the silicon dioxide to the absolute ethyl alcohol is 1: 30, of a nitrogen-containing gas; the molar ratio of the aluminum nitrate to the absolute ethyl alcohol is 1: 15.
preferably, in the step (2): the mass ratio of the carbonate to the bismuth trioxide is 2: 1.
preferably, in the step (4): the melting temperature is 1510-1550 ℃, and the melting time is 18 h.
Preferably, in the step (5): the weight ratio of the anionic corrosion inhibitor to the glass is 20: 1.
example 1: the glass fiber I with stronger corrosion resistance:
the glass fiber with strong corrosion resistance comprises the following components in parts by weight:
the composite silica particle comprises, by weight, 50 parts of silica composite particles, 5 parts of a self-made fluxing agent, 15 parts of calcium oxide, 12 parts of aluminum oxide, 0.05 part of iron oxide, 10 parts of aluminum, 10 parts of lithium carbonate, 5 parts of bismuth dioxide and 5 parts of an anionic corrosion inhibitor.
The preparation method of the glass fiber comprises the following steps:
(1) dispersing silicon dioxide powder in absolute ethyl alcohol by using ultrasonic waves, preserving heat in a water bath kettle after uniform dispersion, and dropwise adding excessive ethanol solution of aluminum nitrate, wherein the molar ratio of silicon dioxide to absolute ethyl alcohol is 1: 30, of a nitrogen-containing gas; the molar ratio of the aluminum nitrate to the absolute ethyl alcohol is 1: 15, adding aluminum as a reducing agent, and filtering and drying the silicon dioxide composite particles after complete reaction;
(2) weighing lithium carbonate, dissolving the lithium carbonate in a proper amount of distilled water to prepare a lithium carbonate saturated solution, adding bismuth trioxide, wherein the mass ratio of acetic acid to bismuth trioxide is 2: 1, stirring, ultrasonically oscillating and stirring to completely and uniformly disperse bismuth trioxide in a lithium carbonate saturated solution, filtering, drying and grinding a dispersion liquid at high pressure, and calcining for 4 hours at 500 ℃ to obtain a self-made cosolvent;
(3) weighing 50 parts of silicon dioxide composite particles, 15 parts of calcium oxide, 12 parts of aluminum oxide, 0.05 part of iron oxide, 1 part of fluoride, 10 parts of aluminum, 10 parts of lithium carbonate, 5 parts of bismuth dioxide and 5 parts of self-made fluxing agent by weight, uniformly mixing to prepare a batch material, and uniformly mixing to prepare the batch material;
(4) placing the batch in a platinum-rhodium crucible, melting at 1510 ℃ for 18h, stirring and melting to obtain clear and homogenized molten glass, placing the molten glass on a heat-resistant steel plate, and cooling to obtain glass blocks;
(5) immersing the glass block into water, electrifying for 3min, and adding an anionic corrosion inhibitor into the water, wherein the weight ratio of the anionic corrosion inhibitor to the glass is 20: 1, fishing out the glass blocks after the reaction is finished;
(6) and (3) placing the glass in a single-hole wire drawing crucible to prepare the glass fiber with the required diameter to obtain the finished product.
The fluoride is sodium fluoride.
The anionic corrosion inhibitor is calcium carbonate.
Example 2: and (2) glass fiber II with stronger corrosion resistance:
the glass fiber with strong corrosion resistance comprises the following components in parts by weight:
the composite particle of the silicon dioxide comprises, by weight, 60 parts of silicon dioxide composite particles, 10 parts of self-made fluxing agent, 25 parts of calcium oxide, 16 parts of aluminum oxide, 5 parts of manganese oxide, 1.5 parts of titanium oxide, 1 part of fluoride, 0.8 part of iron oxide, 20 parts of aluminum, 20 parts of lithium carbonate, 10 parts of bismuth dioxide and 10 parts of anionic corrosion inhibitor.
The preparation method of the glass fiber comprises the following steps:
(1) dispersing silicon dioxide powder in absolute ethyl alcohol by using ultrasonic waves, preserving heat in a water bath kettle after uniform dispersion, and dropwise adding excessive ethanol solution of aluminum nitrate, wherein the molar ratio of silicon dioxide to absolute ethyl alcohol is 1: 30, of a nitrogen-containing gas; the molar ratio of the aluminum nitrate to the absolute ethyl alcohol is 1: 15, adding aluminum as a reducing agent, and filtering and drying the silicon dioxide composite particles after complete reaction;
(2) weighing lithium carbonate, dissolving the lithium carbonate in a proper amount of distilled water to prepare a lithium carbonate saturated solution, adding bismuth trioxide, wherein the mass ratio of acetic acid to bismuth trioxide is 2: 1, stirring, ultrasonically oscillating and stirring to completely and uniformly disperse bismuth trioxide in a lithium carbonate saturated solution, filtering, drying and grinding a dispersion liquid at high pressure, and calcining for 4 hours at 500 ℃ to obtain a self-made cosolvent;
(3) weighing 60 parts of silicon dioxide composite particles, 25 parts of calcium oxide, 16 parts of aluminum oxide, 5 parts of manganese oxide, 1.5 parts of titanium oxide, 0.8 part of iron oxide, 1 part of fluoride, aluminum, 20 parts of lithium carbonate, 10 parts of bismuth dioxide and 10 parts of self-made fluxing agent by weight, and uniformly mixing to prepare a batch;
(4) placing the batch in a platinum-rhodium crucible, melting at 1550 ℃ for 18h, stirring and melting to obtain clarified and homogenized molten glass, placing the molten glass on a heat-resistant steel plate, and cooling to obtain glass blocks;
(5) immersing the glass block into water, electrifying for 3min, and adding an anionic corrosion inhibitor into the water, wherein the weight ratio of the anionic corrosion inhibitor to the glass is 20: 1, fishing out the glass blocks after the reaction is finished;
(6) and (3) placing the glass in a single-hole wire drawing crucible to prepare the glass fiber with the required diameter to obtain the finished product.
The fluoride is sodium fluoride.
The anionic corrosion inhibitor is calcium carbonate.
Comparative example 1
The formulation of comparative example 1 was the same as example 1. The preparation method of the glass fiber is different from that of example 1 only in that the preparation of step (1) is not performed, step (3) is directly performed using silica, and the rest of the preparation steps are the same as those of example 1.
Comparative example 2
The formulation of comparative example 1 was the same as example 1. The preparation method of the glass fiber is different from that of the example 1 only in that the preparation of the step (5) is not carried out, the glass fiber is directly prepared after the step (4) is completed, and the rest of the preparation steps are the same as the example 1.
Test example 1
1. Test method
Example 1 and comparative examples 1 and 2 are comparative tests, glass fiber dry sand prepared from the glass prepared from example 1 and comparative examples 1 and 2 is prepared, a dry sand weight loss test is carried out, 10g of the glass fiber dry sand prepared from example 1 and comparative examples 1 and 2 is immersed in a medium of 10% hydrochloric acid, 10% sulfuric acid, 10% nitric acid and 10% sodium hydroxide for 24h at 96 ℃, a sample is taken out, the acid remained in the sample is cleaned and dried, and the weight loss of the glass fiber is measured by an analytical balance.
2. Test results
Example 1 is compared with the dry sand weight loss rate test values of comparative examples 1 and 2.
Table 1 weight loss ratio of dried sand test value (%)
| 10% hydrochloric acid | 10% sulfuric acid | 10% nitric acid | 10% sodium hydroxide | |
| Example 1 | 6.2 | 7.3 | 6.5 | 10.7 |
| Comparative example 1 | 29.3 | 25.9 | 25.8 | 5.0 |
| Comparative example 2 | 31.6 | 32.0 | 30.9 | 40.6 |
By comparing the weight loss test values of the example 1 and the comparative examples 1 and 2, the weight loss rate of the glass fiber prepared in the example 1 is obviously lower, which indicates that the glass fiber with stronger corrosion resistance prepared in the invention has shorter preparation time and excellent corrosion resistance.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The glass fiber with high corrosion resistance is characterized by comprising the following raw materials in parts by weight: 50-60 parts of silica composite particles, 5-10 parts of self-made fluxing agent, 15-25 parts of calcium oxide, 12-16 parts of alumina, 0-5 parts of manganese oxide, 0-1.5 parts of titanium oxide, 0.05-0.8 part of iron oxide, 0-1 part of fluoride, 10-20 parts of aluminum, 10-20 parts of lithium carbonate, 5-10 parts of bismuth dioxide and 5-10 parts of anionic corrosion inhibitor.
2. The glass fiber with high corrosion resistance according to claim 1, wherein: the silicon dioxide composite particles are aluminum ion mixed nano silicon dioxide.
3. The glass fiber with high corrosion resistance according to claim 1, wherein: the self-made fluxing agent is prepared by coating bismuth dioxide with lithium carbonate.
4. The glass fiber with high corrosion resistance according to claim 1, wherein: the anionic corrosion inhibitor is one of carbonate, phosphate and hydroxide of zinc and carbonate and phosphate of calcium.
5. The preparation method of the glass fiber with stronger corrosion resistance is characterized in that the process flow for preparing the glass fiber is as follows: preparing composite particles of silicon dioxide and aluminum ions, preparing a self-made cosolvent, preparing a batch, preparing a glass plate, inhibiting corrosion of the glass plate, and preparing glass fibers.
6. The method for preparing the glass fiber with stronger corrosion resistance according to claim 5, characterized in that the method for preparing the glass fiber with stronger corrosion resistance comprises the following specific steps:
(1) dispersing silicon dioxide powder in absolute ethyl alcohol by using ultrasonic waves, preserving heat in a water bath kettle after uniform dispersion, dropwise adding excessive ethanol solution of aluminum nitrate, adding aluminum as a reducing agent, and filtering and drying the silicon dioxide composite particles after complete reaction;
(2) weighing lithium carbonate, dissolving the lithium carbonate in a proper amount of distilled water to prepare a lithium carbonate saturated solution, adding bismuth trioxide, stirring, ultrasonically oscillating and stirring to completely and uniformly disperse the bismuth trioxide in the lithium carbonate saturated solution, filtering, drying and grinding the dispersion at high pressure, and calcining for 4 hours at 500 ℃ to obtain a self-made cosolvent;
(3) accurately weighing the silicon dioxide composite particles, calcium oxide, aluminum oxide, manganese oxide, titanium oxide, iron oxide, fluoride, aluminum, lithium carbonate, bismuth dioxide and self-made fluxing agent, and uniformly mixing to prepare a batch mixture;
(4) placing the batch in a platinum-rhodium crucible, melting while stirring to obtain a clarified and homogenized molten glass, placing the molten glass on a heat-resistant steel plate, and cooling to obtain a glass block;
(5) immersing the glass blocks in water, electrifying for 3min, adding an anionic corrosion inhibitor into the water, and fishing out the glass blocks after the reaction is finished;
(6) and (3) placing the glass in a single-hole wire drawing crucible to prepare the glass fiber with the required diameter to obtain the finished product.
7. The method for preparing glass fiber with strong corrosion resistance according to claim 6, wherein in the step (1): the mol ratio of the silicon dioxide to the absolute ethyl alcohol is 1: 30, of a nitrogen-containing gas; the molar ratio of the aluminum nitrate to the absolute ethyl alcohol is 1: 15.
8. the method for preparing glass fiber with strong corrosion resistance according to claim 6, wherein in the step (2): the mass ratio of the carbonate to the bismuth trioxide is 2: 1.
9. the method for preparing glass fiber with strong corrosion resistance according to claim 6, wherein in the step (4): the melting temperature is 1510-1550 ℃, and the melting time is 18 h.
10. The method for preparing glass fiber with strong corrosion resistance according to claim 6, wherein in the step (5): the weight ratio of the anionic corrosion inhibitor to the glass is 20: 1.
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| CN202110036937.4A CN112777939A (en) | 2021-01-12 | 2021-01-12 | Glass fiber with high corrosion resistance and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110036937.4A CN112777939A (en) | 2021-01-12 | 2021-01-12 | Glass fiber with high corrosion resistance and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106219988A (en) * | 2016-07-08 | 2016-12-14 | 中国计量大学 | A kind of preparation method of high-performance glass fiber |
| CN106554155A (en) * | 2015-09-24 | 2017-04-05 | 牛誉博 | A kind of glass fibre used for blades of wind driven generator and preparation method thereof |
| US20170283309A1 (en) * | 2014-09-22 | 2017-10-05 | Jushi Group Co., Ltd. | Glass fiber composition, glass fiber and composite material therefrom |
| CN108409151A (en) * | 2018-06-01 | 2018-08-17 | 魏浩峰 | A kind of no boron high-performance glass fiber and preparation method thereof |
-
2021
- 2021-01-12 CN CN202110036937.4A patent/CN112777939A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170283309A1 (en) * | 2014-09-22 | 2017-10-05 | Jushi Group Co., Ltd. | Glass fiber composition, glass fiber and composite material therefrom |
| CN106554155A (en) * | 2015-09-24 | 2017-04-05 | 牛誉博 | A kind of glass fibre used for blades of wind driven generator and preparation method thereof |
| CN106219988A (en) * | 2016-07-08 | 2016-12-14 | 中国计量大学 | A kind of preparation method of high-performance glass fiber |
| CN108409151A (en) * | 2018-06-01 | 2018-08-17 | 魏浩峰 | A kind of no boron high-performance glass fiber and preparation method thereof |
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Application publication date: 20210511 |